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In stockMaxim Defense Industries300 BLKFirearms

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Maxim Defense SDX RFLX SBR .300 AAC Blackout 8.5in

UPC 680017492199

Lowest tracked price

$3,325.50
See 1 in-stock offer
Retailers
1tracked offer
Availability
1in-stock retailer
Freshness
2h agolatest offer check

RangeWatch groups retailer listings and tracks price history. Verify final price, shipping, and availability with the retailer. Read disclosures.

Maxim Defense SDX RFLX SBR .300 AAC Blackout 8.5in

Price History (90 days)

Price history for Maxim Defense SDX RFLX SBR .300 AAC Blackout 8.5in, last 90 days1 daily price points from 2026-06-26 to 2026-06-26. Primary line is daily average price across sources. Verdict: Not enough price history.$3325.49$3325.49$3325.51$3325.512026-06-26: $3325.50All-time low $3325.50$3325.50Current $3325.50$3325.50

Not enough recent data to compare against the 30-day median.

Typical band uses the 10th to 90th percentile of the recent tracked range. The chart line uses daily average price across sources; the highlighted current low remains the lowest in-stock retailer offer in the selected history window.

Current low
$3,325.50
Typical band
Insufficient data
Data window
2026-06-26 to 2026-06-26
All-time low
$3,325.50
30d median
—
90d range
$3,325.50 – $3,325.50

Specifications

mpn
MXM-49219
capacity
30
barrel length
8.5"

Description

Compact Maxim Defense SDX RFLX SBR chambered in .300 AAC Blackout with an 8.5″ barrel and integrally suppressed M-Kore reflex system. Designed for NFA ownership, short-range defense, and controlled-range use.

Retailer comparison

1 retailer sorted by lowest tracked price. Check shipping, tax, and final availability with the retailer.

Freshness per offer
AZ Arms DepotLowest

Maxim Defense SDX RFLX SBR .300 AAC Blackout 8.5in

Checked 2h ago

StockIn stock
CPR—
Price$3,325.50